Molder s flask



(No Model.) 2 Sheets-Sheet 1.

J. BARKER. MOLDEBS FLASK.

NO. 546,218. Patented Sept. 10,1895.

Int 6122507 Jamey/Barker 15y 2127 flltvrneya' a I I v (No Model.) 2-SheetsSheet 2.

J. BARKERV MOLDERS FLASK. No. 546,218. Patented Sept. 10, 1895.

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I b d @ZW James .Barker' Zyfi 'fliw' 1 W v I ANDREW EGRAHAM PHOTO-LITHU-WASHINFI'ON D C,

UNITED STATES ATENT rrrcn.

JAMES BARKER, OF PHILADELPHIA, PENNSYLVANIA.

MOLDERS FLASK.

$3PECIFICATION forming part of Letters Patent No. 546,218 datedSeptember 10, 1895.

Application filed. April 29, 1895. fierial No. 547,434- (No model.)

To 00% whom it may concern;

Be it known that I, J AMES BARKER, a citizen of the United States,residingin Philadelphia, Pennsylvania, have invented certainImprovements in Molders Flasks, of which the following is aspecification.

One object of my invention is to construct a molders flask composed ofwooden bars and metal fixtures in such manner that the flask can bereadily put together or taken apart, and the same fixtures can be usedupon flasks of difierent sizes.

A further object of the invention is to so construct said fixtures thatthey will insure the accurate registry of the cope and drag of the flaskand will provide for the hinging ofthe two parts of'the flask whendesired, the fixtures, moreover, being so constructed as to beinterchangeable or capable of use upon either part of the flask oreither end of the same.

A still further object of the invention is to prevent the burning awayof the lower outer corners of the sides of the flask.

These objects I attain in the manner hereinafter set forth, referencebeing had to the accompanying drawings, in which Figure l is aperspective view of a molders flask constructed in accordance with myinvention. Fig. 2 is a similar perspective view, but looking at theopposite side of the flask. Fig. 3 is an enlarged sectional plan view ofone corner of the flask. Fig. 4 is an enlarged sectional plan view ofanother corner of .the flask. Figs. 5, 6, and 7 are enlarged perspectiveviews of difierent attachments to be used in connection with theflask-fixtures, and Figs. 8 and 9 are sectional views illustrating themeans employed for preventing the burning of the lower outer corners ofthe flask sides.

Each part of the flask is composed of wooden bars or strips A A and B B,the ends of the strips B B being by preference let into rabbets formedat the ends of the strips A A, as shown in Figs. 1 and 2, although thisis not absolutely essential. The rectangular wooden structure formedbythe strips A A and B B is provided at each corner with fixturesconsisting of plates D an F, whereby, in connection with suitable bolts0. and nuts (1., the strips are rigidly secured together. The bolts a,pass diagonally through the strips A B at the corners, and each-of theplates D and F has a projecting hollow lug b with inclined face at rightangles to the axis of the bolt a, the face of one lug serving as abearing for the head a of the bolt and the face of the otherlug servingas a bearing for the nut a. Each of the plates D and F also has lugs 61,engaging with grooves d, formed in the strips A B, so as to preventlongitudinal displacement of either of the plates on its respectivestrip, thus rendering unnecessary the use of any bolts or screws forthis purpose. A single bolt ateach corner of the structure is thereforeall that is necessary in order to firmly secure the strips A and Btogether in proper relation to each other. Hence the putting together ortaking apart of the flask can beaccomplished with the greatest facility.Each plate F also has at top and bottom a flange f, in which is formed anotch f with Vshaped or tapered inner end, the outer face of each flangealso having formed in it a groove f and projecting from each plate F isa seg mental web g, which extends beyond the wooden bars or strips ofthe flask and serves as a handle whereby the flask can be readily liftedor carried.

As shown in the drawings, the lower flanges of the plates F, carried byone:side of the cope of the flask, have secured to them plates 1), withprojecting pins 7;, which are adapted to the notches f of the upperflanges of the plates F of the corresponding side of the drag of theflask, these pins, by engagement with the V-shaped or tapered inner endsof the notches, serving to accurately register the cops and drag of theflask as the two are fitted together.

The plates F of both sides of the cope of the flask may be provided withthese plates '5 when it is desired to separate the two parts of theflask by a direct lift; but I prefer to provide the plates F of one sideof the cope and drag of the flask with hinge-plates, such as shown inFigs. 2 and e.

The hinge-plate m of the drag of the flask is secured to the top flangeof the plate F of said drag by means of a bolt whose head or nut isadapted to the groove f of the flange, so as to be prevented fromturning, the plate having at the outerenda vertical rib m with notchhaving beveled sides, as shown in Fig. 7.

The hingeplate 77., carried by the plate F of the cope of the flask, issecured'to the lower flange of said plate by a bolt whose head or nut isadapted to the groovef of said flange, so as to be prevented fromturnpin into the notch serving to properly register the cope and drag of theflask in one direction, while the beveled sides of the pin en-- gagingwith the beveled sides ofthe notch serve to bring the cope and drag ofthe flask into proper registry in the other direction. Hence the platesserve not only as means of hinging the two parts of the flask together,but also as a meansof bringing the two parts of the flask into accuratealignment one with the other.

The lug b and handle g of each-plate F are disposed centrally betweenthe top and bottom of the plate, and the upper and lower flanges of theplate are exactly alike. Hence the plates can be used indifferently uponeither the cope or the drag of the flask and upon either side of thesame, thus avoiding objectionable rights and lofts in the plates, andthe same is true of the plates D. The plates D and F also verymaterially strengthen theflask at the corners and thus increase the lifeof the same.

The lower outer corners of the sides of the copeof the'usual flask arerapidly burned or charred by the flame or hot gases escaping between thecope and drag of the flask on the separation of the same after making acast, and in order to prevent this Iarmor the lower outer corners of thesides of the flask by means of a metal bar applied to the side of theflask close to said corner.

In Fig. 8 I have illustrated the armoringbar in the form of a wire to,secured to the side of the flask by staples w, and in Fig. 9

4 I have shown a flat metal strip 10 let into an inclined saw kerf orslot formed adjacent to the lower outer corner of the side of the flask.In both cases the bar projects beyond the side of the flask close to thelower outer corner and serves to throw outward away from the side of theflask flame or hot gases issuing between the cope and drag, so as toprevent the ignition or rapid charring of the flask, which always beginsat said lower outer corner.

Having thus described my invention, I claim and desire to secure byLetters Patent- 1. A molders flask comprising wooden bars or stripsconnected at the corners by means of diagonal bolts passing through thestrips, and metallic plates bearing upon theouter sides of the strips atthe corners of the flask, upon which plates the said bolts have theirbearings, substantially as specified.

2. A molders flask consisting of wooden bars or strips, each grooved inits outer face near the corners of the flask, metal plates bearing uponthe outside of the strips near the corners and having abruptlugsengaging with the grooves in the strips and diagonal bolts passingthroughthe strips and plates and having theirbearin g upon the latter,substantially as specified.

3. A molders flask'consisting of wooden bars or strips connected at thecorners by diagonal bolts passing through said strips and metal plateson the outer sides of the same through which said bolts pass, one ofsaid plates having a projecting web serving as a handle, substantiallyas specified.

4. The combination of the two parts of molders flask, each connected atthe corners by means ofa bolt passing diagonally through the woodenstrips of the flask and outer metal bearing plates thereon through whichthe bolt passes, plates of one part of the flask having projectingflanges with tapered notches, and the corresponding plates of the otherpart of the flask having projecting flanges to which aresecured plateshaving pins adapted to said notches, substantially as specified.

5. The combination of the two parts of a molders flask each connected atthe corners by means of bolts passing diagonally through the woodenstrips of the flask and outer metal bearing plates thereon through whichthe bolts pass, Plates of one part of the flask hav ing secured theretoprojecting plates with notched ribs and plates of the other part of theflask having secured thereto projecting plates with ears connected bytransverse pivot pins adapted to said notched ribs, substantially asspecified.

6. The combination of the two parts of a molders flask, plates on onepart of the flask having projecting flanges with tapered notches, plateson the other part of the flask having projecting flanges and pinsadapted to the notches of the plates of one part of the flask, said pinshaving right angled heads pivoted to the projecting flanges of theplates on the other part "of the flask, substantially as specified.

7. The within described bearing plate for a molders flask, said platehaving a central bearing with inclined face for a securing bolt andupper and lower flanges each having a ta pered notch in it,substantially as specified.

8. The within described bearing plate for a molders flask, said platehaving a central bearing with inclined'face for a securing bolt, andupper and lower flanges each having a tapered notch and a groove formedin it, sub stantially as specified.

9. The within described bearing plate for a molders flask, the samehaving a central bearing with inclined facefor a securing bolt, andprojecting lugs with abrupt faces'for engagement with a groove in thewooden strip or bar of the flask, substantially as specified.

10. The Within described bearing plate for a molders flask, said platehaving a central. bearing with in elined face for a securing bolt,

and a central projecting web serving as a han- In testimony whereof Ihave signed my die, substantially asspecifieci. name to thisspecification in the presence of 11. The combination of the Wooden stripof twosubscribing witnesses.

a molders flask, with a metal bar rigidly se- J AMES BARKER 5 curedthereto adjacent to the lower outer cor- Witnesses:

ner and projecting beyond the outer face of JOSEPH H. KLEIN,

the strip, substantially as specified. FRANK E. BECI-ITOLD.

